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Simrad totalscan vs garmin gt52hw

Old 04-26-2016, 05:57 AM
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Default Simrad totalscan vs garmin gt52hw

Is there a big difference between these two transducers? The 52hw if full chirp 2d, down and side vu where i think totalscan is traditional 2d but chirp for structurescan.

I already have a spare nss7 evo2 and was going to mount it on bay boat with max depth of 250ft and just order totalscan. 90% of fishing will be in 100ft or less.

Is it worth it to sell the nss evo2 and get a garmin with the gt52hw. Or is there just a slight difference. I heard the garmin side vu or down vu will go a lot deeper than the simrad structure scan

Last edited by seadoochamp; 04-26-2016 at 06:26 AM.
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Old 04-26-2016, 07:32 AM
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I'd love to see a comparison by someone that owns both. I'm very eager to buy a second unit with either the Totalscan or the GT52. Similar interest, fishing mostly in less than 100'.

So far the only difference I have seen is the size of the transducer! Totalscan is almost 4" longer. Screenshots from both look great. Totalscan looks sharper at times, but you can't compare since they could be in freshwater, different location, etc.

Just keeping the thread alive.
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Old 04-26-2016, 08:14 AM
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Originally Posted by seadoochamp View Post
Is there a big difference between these two transducers? The 52hw if full chirp 2d, down and side vu where i think totalscan is traditional 2d but chirp for structurescan.

I already have a spare nss7 evo2 and was going to mount it on bay boat with max depth of 250ft and just order totalscan. 90% of fishing will be in 100ft or less.

Is it worth it to sell the nss evo2 and get a garmin with the gt52hw. Or is there just a slight difference. I heard the garmin side vu or down vu will go a lot deeper than the simrad structure scan
GT52HW.....Full CHRIP processing both Traditional and Structure.
Totalscan.....CHIRP for traditional with non CHIRP StructureScan® HD and DownScan Imaging.

And yes..it would be really interesting to see side by side comparisons....but at 100' I bet it would be hard to see any major differences between them.



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Old 04-26-2016, 09:58 AM
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I guess Garmin has a 2 channel chirp unit out so they have the GT52 HW while NSS Evo2 and GO7 are single chirp channel MFD so only one is CHIRP channel. So when the NSS Evo3 is out with dual chirp I am sure Simrad will offer a full chirp structure scan.

So if at 100ft not much difference I will just keep what I got and get the total scan, wish it was the shorter GT52hw.
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Old 04-26-2016, 10:04 AM
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At 100' I don't expect to see any advantage of CHIRP processing for scanning sonar over fixed frequencies, fixed frequencies (which are offered by both) may actually be better.
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Old 04-30-2016, 10:12 PM
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abbor, I absolutely see a difference in CHIRP over fixed frequencies at shallower depths. The definition and clarity when marking game fish working schools of bait in CHIRP is unbelievable.

On my previous setup I had a P66 and an LSS2, and comparing it to the GT52 is night and day...
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Old 05-01-2016, 12:20 AM
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I was commenting scanning sonar, not 2D.
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